"Better than 1/2 price"
Pretty good price for these replacement toothbrush heads.
Free Click and Collect, regardless of price.
£3 Standard Delivery, or spend £10 or more for free delivery
Free delivery if you signup for membership with no minimum spend @superdrug
Buying 2 gets you free delivery, which does make the price 2p more than Amazon's 8 pack, which still has their own £20 limit before free delivery, so it depends how you want to look at it (unless you have Prime)...